package com.xzh.gulimall.order.web;

import com.xzh.common.exception.NoStockException;
import com.xzh.gulimall.order.service.OrderService;
import com.xzh.gulimall.order.vo.OrderConfirmVo;
import com.xzh.gulimall.order.vo.OrderSubmitVo;
import com.xzh.gulimall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

@Controller
public class OrderWebController {

    @Autowired
    OrderService orderService;
    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo confirmVo = orderService.confirmOrder();
        model.addAttribute("orderConfirmData",confirmVo);
        //展示订单确认的数据
        return "confirm";
    }

    /*提交下单功能*/
    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes)
    {
        try{
            SubmitOrderResponseVo responseVo = orderService.submitOrder(vo);

            System.out.println("订单提交的数据"+vo);
            if(responseVo.getCode()==0){
                //下单成功来到支付选择页
                model.addAttribute("submitOrderResp",responseVo);
                return "pay";

            }else{
                //下单失败回到订单确认页，重新确认订单信息
                String msg = "下单失败:";
                switch(responseVo.getCode()){
                    case 1: msg+="订单信息过期，请刷新再次提交;"; break;
                    case 2: msg+="订单商品价格发生变化，请确认后再次提交";break;
                    case 3: msg+="库存锁定失败，商品库存不足";break;
                }
                redirectAttributes.addFlashAttribute("msg",msg);
                return "redirect:http://order.xzhmall.com/toTrade";
            }

        }catch (Exception e){
            if(e instanceof NoStockException){
                String message = ((NoStockException) e).getMessage();
                redirectAttributes.addFlashAttribute("msg",message);
            }
            return "redirect:http://order.xzhmall.com/toTrade";
        }

    }
}
